B2300 SE Regular Cab 2WD L4-2.3L VIN D (2001)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
Emissions - OBD EVAP Monitor Calibration Update
Bulletin No: 01-002/03
Last Issued: 01/14/2003
Subject:
2001-2002 TRUCK B2300 - REDUCED CAPACITY OBD EVAPORATIVE EMISSION
MONITOR CALIBRATION UPDATE
APPLICABLE MODEL(S)/VINS
2001-2002 Truck (B2300) produced from 8-23-2000 to 10-04-2001
DESCRIPTION
Some vehicles in the above production range may have an OBD Evaporative Emission Monitor calibration with reduced capacity to detect some fuel
vapor leaks such as a loose or disconnected fuel filler cap and may not illuminate the MIL as required by regulations. On all affected vehicles use WDS
to reflash the PCM.
Before performing this repair, inform owners of this procedure and provide them with a written repair order that lists the specific service, part numbers
and repairs.
REPAIR PROCEDURE
1.
Using WDS (Version B22.2 or later), reprogram the PCM to the latest calibration. Use the table to confirm the correct calibration:
2.
Install a new PCM calibration label with the revised calibration part number in the appropriate location under the hood of the vehicle.
3.
Road test the vehicle to relearn KAM strategy.
4.
Verify repair.
WARRANTY INFORMATION
Note:
This information applies to verified customer complaints on vehicles covered under normal warranty. Refer to the SRT microfiche for warranty term
information.
